Update GH issue templates for Linear compatibility

Author: stephanie-anderson

.github/ISSUE_TEMPLATE/bug.yml

@@ -1,6 +1,6 @@
 name: 🐞 Bug Report
 description: Tell us about something that's not working the way we (probably) intend.
-type: 'bug'
+labels: ["Bug"]
 body:
   - type: checkboxes
     attributes:

.github/ISSUE_TEMPLATE/feature.yml

@@ -1,6 +1,6 @@
 name: 💡 Feature Request
 description: Create a feature request for a sentry-javascript SDK.
-type: 'enhancement'
+labels: ["Feature"]
 body:
   - type: markdown
     attributes:

.github/ISSUE_TEMPLATE/flaky.yml

@@ -1,8 +1,7 @@
 name: ❅ Flaky Test
 description: Report a flaky test in CI
 title: '[Flaky CI]: '
-type: 'task'
-labels: ['Type: Tests']
+labels: ["Tests"]
 body:
   - type: dropdown
     id: type

.github/ISSUE_TEMPLATE/internal.yml

@@ -1,6 +1,5 @@
 name: 💡 [Internal] Blank Issue
 description: Only for Sentry Employees! Create an issue without a template.
-type: 'task'
 body:
   - type: markdown
     attributes: